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Repairing APC UPS

Reparing APC UPS

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I’ve spent 15 USD x 2 = 30 USD to repair my APC Back-UPS RS-800. I no need to spend more time and more petrol sending the UPS to their service center for repair.

Why I choose this model ? Because this model could have longer time and do have the function to shutdown my PC before run out of the battery. I’ve been using for 3 years without problem, you just need to change the battery every 2 years, like changing your vehicle battery. You no need to buy a new one if you know this simple way to repair your UPS.

I’ve repaired the on last few months ago – Reparing Backup UPS – ES 500
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Unplug and take out your UPS carefully.

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Follow the instruction that how to open the UPS from the bottom and the cable.

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Turn the UPS down, and you can see the side that can be opened.

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Drag out the battery from the bottom.

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The battery Swollen, it is dangerous maybe explode if you continue charging it.

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The UPS container two 12V 7.2Ah battery, that’s why could have longer time.

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This is the cable for the UPS to the batteries.

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The place to plug in the cable.

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Voltage for the UPS.

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Watch out the Voltage and Ah before buy a new one.

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Bought 2 with 12V but in 7Ah, it is same and can be used. Make sure the size is same. It cost 15 USD for each battery.

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This is the old one, it is in very dangerous condition, many people never check it and and don’t know that they put a bomb inside their room.

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Unplug the cable and re-plug to the new one.

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Put back the sticker, the sticker could help you inside to UPS easily.

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Do not plugin the cable before the battery insert correctly.

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Plug in the cable after the batteries inserted.

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Press the button, if have light, means it is fine and installed correctly.

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Please check all the UPS in your office or home or any solar power battery. It could be explode or fire happen if you don’t change it and charging it continuously.


Buy me a drink if you this help you save some time and money.
Thank you.


2 thoughts on “Repairing APC UPS”

  1. Is battery main thing that fails and will not allow unit to start up
    No power at is my problem on model 1500 rack style and model 900

  2. I have an APC 1000 smart and am looking for a schematic as i want to convert it to a demand 110 volt power source without using 110 volt connection.

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